Helper: Load file content into memory Memory allocated with IM_ALLOC(), must be freed by user using IM_FREE() == ImGui::MemFree() This can't really be used with "rt" because fseek size won't match read size.
| 1978 | // Memory allocated with IM_ALLOC(), must be freed by user using IM_FREE() == ImGui::MemFree() |
| 1979 | // This can't really be used with "rt" because fseek size won't match read size. |
| 1980 | void* ImFileLoadToMemory(const char* filename, const char* mode, size_t* out_file_size, int padding_bytes) |
| 1981 | { |
| 1982 | IM_ASSERT(filename && mode); |
| 1983 | if (out_file_size) |
| 1984 | *out_file_size = 0; |
| 1985 | |
| 1986 | ImFileHandle f; |
| 1987 | if ((f = ImFileOpen(filename, mode)) == NULL) |
| 1988 | return NULL; |
| 1989 | |
| 1990 | size_t file_size = (size_t)ImFileGetSize(f); |
| 1991 | if (file_size == (size_t)-1) |
| 1992 | { |
| 1993 | ImFileClose(f); |
| 1994 | return NULL; |
| 1995 | } |
| 1996 | |
| 1997 | void* file_data = IM_ALLOC(file_size + padding_bytes); |
| 1998 | if (file_data == NULL) |
| 1999 | { |
| 2000 | ImFileClose(f); |
| 2001 | return NULL; |
| 2002 | } |
| 2003 | if (ImFileRead(file_data, 1, file_size, f) != file_size) |
| 2004 | { |
| 2005 | ImFileClose(f); |
| 2006 | IM_FREE(file_data); |
| 2007 | return NULL; |
| 2008 | } |
| 2009 | if (padding_bytes > 0) |
| 2010 | memset((void*)(((char*)file_data) + file_size), 0, (size_t)padding_bytes); |
| 2011 | |
| 2012 | ImFileClose(f); |
| 2013 | if (out_file_size) |
| 2014 | *out_file_size = file_size; |
| 2015 | |
| 2016 | return file_data; |
| 2017 | } |
| 2018 | |
| 2019 | //----------------------------------------------------------------------------- |
| 2020 | // [SECTION] MISC HELPERS/UTILITIES (ImText* functions) |
no test coverage detected